32 TROUBLESHOOTING
Fault Code and Description
When Active Refer to...
Warmup Idle Cooking Test Mode
F1: Blower Running Status Bad
DD D D
Page 33
F2: Cook Temperature Low
D
Page 34
F3: Magnetron Current Low
DD
Page 35
F4: Door Monitor Defective
DD
Page 36
F5: Magnetron Over Temperature
DD
Page 36
F6: EC Temperature High
DD D D
Page 37
F7: RTD Open
DD D D
Page 37
F8: Heat Low
D
D
Page 38
F9: Cook Cavity Temperature High
DD
Page 38
Fault codes are listed in order of hierarchy. For example, if during cooking the oven experiences an F1
and F2 fault, the oven will report only the F1 fault because the software will halt all actions upon
discovering the F1 fault.
Fault codes F1 - F5 and F7 will terminate a cook cycle upon discovery.
F7: RTD Open
This fault is displayed when the control detects that
the RTD is “open.” The display will show a reading
of “999
º
F/C,” indicating the RTD is open.
The fault is cleared when the control detects
continuity.
F8: Heat Low
This fault displays when the oven is warming up or
during Test Mode if the cook cavity temperature
fails to rise at least 14
º
F (7
º
C) within a given 30
seconds.
F9: Cook Cavity Temperature High
This fault will signal that the catalyst has “flashed”
due to excessive grease. The fault occurs when the
RTD senses +650°F (343°C) for more than 40
seconds but less than 2 minutes. The fault will only
appear in the fault log and will not terminate a cook
cycle upon discovery.
Figure 35: Fault Code Table
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